How to Save on Guaifenesin
Use the free RxDiff discount card to save up to 80% on Guaifenesin at pharmacies near you. Compare prices at CVS, Walgreens, Walmart, Costco, and thousands of independent pharmacies — no insurance or account required.
About Guaifenesin
Guaifenesin is classified as a Expectorant, administered oral.
What is Guaifenesin used for?
According to FDA labeling: Uses ■ helps loosen phlegm (mucus) and thin bronchial secretions to rid the bronchial passageways of bothersome mucus and make coughs more productive
Important Safety Information
Warnings Do not use ■ for children under 12 years of age
Drug information sourced from the FDA. This is not medical advice — consult your doctor or pharmacist before starting or changing any medication.
Guaifenesin Prices Near You — 120 ML of 100 mg/5ml liquid
Lowest price found: $3.98 at VONS. Prices shown are with a free RxDiff discount card — no insurance needed.
| Pharmacy | Price with RxDiff Card |
|---|---|
| VONS | $3.98 |
| ACME | $3.98 |
| MORRISTOWN | $3.98 |
| ANTHONY'S | $3.98 |
| GOODWILL | $3.98 |
| DIPLOMAT CHEMISTS INC | $3.98 |
| 137 MOTT PHARMACY, INC. | $3.98 |
| CAPSULE | $8.72 |
Prices vary by location and dosage. Use the search above to see real-time Guaifenesin prices at pharmacies near your zip code.
Frequently Asked Questions About Guaifenesin
How much does Guaifenesin cost without insurance?
Guaifenesin prices near you range from $3.98 to $10.22 with a free RxDiff discount card (120 ML of 100 mg/5ml liquid). Prices vary by pharmacy — use the comparison above to find the cheapest option near your ZIP code.
Where is Guaifenesin cheapest near me?
The lowest Guaifenesin price near you is $3.98 with a free RxDiff discount card. The comparison above shows all 10 participating pharmacies sorted cheapest to most expensive.
Do I need insurance to use RxDiff?
No. RxDiff is completely free and works without insurance. In many cases, RxDiff prices are lower than insurance copays — making it worth checking even if you have coverage.
Tips for Saving More on Guaifenesin
- Compare every pharmacy — Guaifenesin prices can vary dramatically by location. Warehouse pharmacies like Costco and Walmart often have the lowest cash prices on generics.
- Request a 90-day supply — Filling 90 days instead of 30 typically reduces the per-day cost, especially at mail-order and warehouse pharmacies.
- Use the free RxDiff discount card — Works at 70,000+ pharmacies with no sign-up or insurance required. In many cases the discount card price beats your insurance copay.
- Check for manufacturer savings programs — Brand-name medications may have copay cards that reduce your cost to $0–$5 per month with commercial insurance. See the manufacturer coupons page for available programs.
- Ask your doctor about alternatives — If Guaifenesin is expensive, a therapeutically equivalent generic or a different drug in the same class may cost significantly less. Always ask your prescriber before switching.
Related Medications
These medications are in the Expectorant class.
More G Medications
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